/*
    Copyright (C) 2008,2009 INdT - Instituto Nokia de Tecnologia

    This file is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This file is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

group {
    name: "scrollbar.vertical";

    min: 0 0;  /* if > 0, this is the minimum size that will be allocated.
                * If wants to draw on top, just overflow usign edje's rel1/rel2
                */

    images {
        image: "widget/scrollbar/scrollbar_v.png" COMP;
        image: "widget/scrollbar/scrollbar_knob_v.png" COMP;
    }

    script {
        public hide_timer;

        public hide_timer_cb(val) {
            run_program(PROGRAM:"hide");
            return 0;
        }

        public hide_timer_stop() {
            new id = get_int(hide_timer);
            if (id <= 0)
                return;

            cancel_timer(id);
            set_int(hide_timer, 0);
        }

        public hide_timer_start() {
            set_int(hide_timer, timer(1.0, "hide_timer_cb", 0));
        }

        public message(Msg_Type:type, id, ...) {
            if ((id == 0) && (type == MSG_FLOAT_SET)) {
                new Float:vy, Float:sy;

                vy = getfarg(2);
                sy = getfarg(3);

                if (vy >= 0.0) {
                    set_drag_size(PART:"img.knob", 1.0, sy);
                    set_drag(PART:"img.knob", 0.0, vy);
                    run_program(PROGRAM:"show");
                } else
                    run_program(PROGRAM:"hide");

                hide_timer_stop();
                hide_timer_start();
            }
        }

        public update_drag_pos() {
            new Float:x, Float:y;
            get_drag(PART:"img.knob", x, y);
            send_message(MSG_FLOAT, 1, y);
        }
    }

    parts {
         part {
            name: "rect.base";
            type: RECT;
            description {
               min: 10 0;
               max: 10 999999;
               align: 1.0 0.5;
               state: "default" 0.0;
               color: 255 255 255 0;
            }
         }

         part {
            name: "rect.clipper";
            type: RECT;
            description {
               state: "default" 0.0;
               color: 255 255 255 255;
               rel1.to: "rect.base";
               rel2.to: "rect.base";
            }
            description {
               state: "hidden" 0.0;
               color: 255 255 255 64;
               rel1.to: "rect.base";
               rel2.to: "rect.base";
            }
         }

         part {
            name: "img.scrollbar";
            type: IMAGE;
            mouse_events: 0;
            clip_to: "rect.clipper";
            description {
               state: "default" 0.0;
               min: 1 30;
               max: 1 999999;
               align: 0.5 0.5;
               image {
                  normal: "widget/scrollbar/scrollbar_v.png";
                  border: 0 0 15 15;
                  middle: SOLID;
               }
               rel1.to: "rect.base";
               rel2.to: "rect.base";
            }
         }

         part {
            name: "rect.knobarea";
            type: RECT;
            description {
               state: "default" 0.0;
               color: 255 255 255 0;
               min: 5 5;
               max: 5 999999;
               align: 0.5 0.5;
               rel1.to: "rect.base";
               rel2.to: "rect.base";
            }
         }

         part {
            name: "img.knob";
            type: IMAGE;
            mouse_events: 1;
            clip_to: "rect.clipper";
            dragable {
                x: 0 0 0;
                y: 1 1 0;
                confine: "rect.knobarea";
            }
            description {
               state: "default" 0.0;
               min: 5 5;
               max: 5 999999;
               align: 0.5 0.5;
               image {
                  normal: "widget/scrollbar/scrollbar_knob_v.png";
                  border: 3 3 3 3;
                  middle: SOLID;
               }
            }
         }
    }
    programs {
        program {
           name: "load";
           signal: "load";
           action: STATE_SET "hidden" 0.0;
           target: "rect.clipper";
        }
        program {
           name: "hide";
           action: STATE_SET "hidden" 0.0;
           transition: ACCELERATE 0.5;
           target: "rect.clipper";
        }

        program {
           name: "show";
           action: STATE_SET "default" 0.0;
           target: "rect.clipper";
        }

        program {
           name: "dragged";
           signal: "drag";
           source: "img.knob";
           script {
              update_drag_pos();
           }
        }
    }
}

group {
    name: "scrollbar.horizontal";

    min: 0 0;  /* if > 0, this is the minimum size that will be allocated.
                * If wants to draw on top, just overflow usign edje's rel1/rel2
                */

    images {
        image: "widget/scrollbar/scrollbar_h.png" COMP;
        image: "widget/scrollbar/scrollbar_knob_h.png" COMP;
    }

    script {
        public hide_timer;

        public hide_timer_cb(val) {
            run_program(PROGRAM:"hide");
            return 0;
        }

        public hide_timer_stop() {
            new id = get_int(hide_timer);
            if (id <= 0)
                return;

            cancel_timer(id);
            set_int(hide_timer, 0);
        }

        public hide_timer_start() {
            set_int(hide_timer, timer(1.0, "hide_timer_cb", 0));
        }

        public message(Msg_Type:type, id, ...) {
            if ((id == 0) && (type == MSG_FLOAT_SET)) {
                new Float:vx, Float:sx;

                vx = getfarg(2);
                sx = getfarg(3);

                if (vx >= 0.0) {
                    set_drag_size(PART:"img.knob", sx, 1.0);
                    set_drag(PART:"img.knob", vx, 0.0);
                    run_program(PROGRAM:"show");
                } else
                    run_program(PROGRAM:"hide");

                hide_timer_stop();
                hide_timer_start();
            }
        }

        public update_drag_pos() {
            new Float:x, Float:y;
            get_drag(PART:"img.knob", x, y);
            send_message(MSG_FLOAT, 1, x);
        }
    }

    parts {
         part {
            name: "rect.base";
            type: RECT;
            description {
               state: "default" 0.0;
               min: 0 10;
               max: 999999 10;
               align: 0.5 1.0;
               color: 255 255 255 0;
            }
         }

         part {
            name: "rect.clipper";
            type: RECT;
            description {
               state: "default" 0.0;
               color: 255 255 255 255;
               rel1.to: "rect.base";
               rel2.to: "rect.base";
            }
            description {
               state: "hidden" 0.0;
               color: 255 255 255 64;
               rel1.to: "rect.base";
               rel2.to: "rect.base";
            }
         }

         part {
            name: "img.scrollbar";
            type: IMAGE;
            mouse_events: 0;
            clip_to: "rect.clipper";
            description {
               state: "default" 0.0;
               min: 30 1;
               max: 999999 1;
               align: 0.5 0.5;
               image {
                  normal: "widget/scrollbar/scrollbar_h.png";
                  border: 15 15 0 0;
                  middle: SOLID;
               }
               rel1.to: "rect.base";
               rel2.to: "rect.base";
           }
         }


         part {
            name: "rect.knobarea";
            type: RECT;
            description {
               state: "default" 0.0;
               color: 255 255 255 0;
               min: 5 5;
               max: 999999 5;
               align: 0.5 0.5;
               rel1.to: "rect.base";
               rel2.to: "rect.base";
            }
         }

         part {
            name: "img.knob";
            type: IMAGE;
            mouse_events: 1;
            clip_to: "rect.clipper";
            dragable {
                x: 1 1 0;
                y: 0 0 0;
                confine: "rect.knobarea";
            }
            description {
               state: "default" 0.0;
               min: 5 5;
               max: 999999 5;
               image {
                  normal: "widget/scrollbar/scrollbar_knob_h.png";
                  border: 3 3 3 3;
                  middle: SOLID;
               }
            }
         }
    }
    programs {
        program {
           name: "load";
           signal: "load";
           action: STATE_SET "hidden" 0.0;
           target: "rect.clipper";
        }
        program {
           name: "hide";
           action: STATE_SET "hidden" 0.0;
           transition: ACCELERATE 0.5;
           target: "rect.clipper";
        }

        program {
           name: "show";
           action: STATE_SET "default" 0.0;
           target: "rect.clipper";
        }

        program {
           name: "dragged";
           signal: "drag";
           source: "img.knob";
           script {
              update_drag_pos();
           }
        }
    }
}
